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Biology Guidelines (2012) for Essential Public Facilities, Such As the Proposed Fire Station

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Biology Guidelines (2012) for Essential Public Facilities, Such As the Proposed Fire Station Biological Survey Report for the North University City Fire Station 50 Project, San Diego, California Prepared for Mr. Jasiah Neff City of San Diego Engineering & Capital Projects 525 B Street, Suite 750 San Diego, CA 92101 Prepared by RECON Environmental, Inc. 1927 Fifth Avenue San Diego, CA 92101 P 619.308.9333 RECON Number 7617 February 20, 2017 Brian Parker, Associate Biologist Biological Survey Report TABLE OF CONTENTS Acronyms.................................................................................................................... iii 1.0 Summary ........................................................................................................... 1 2.0 Introduction ..................................................................................................... 2 2.1 Project Location ..................................................................................................2 2.2 Project Description ............................................................................................. 2 3.0 Survey Methods ............................................................................................... 8 3.1 Biological Resources Survey ............................................................................... 9 3.2 Rare Plant Surveys ............................................................................................ 9 3.3 Coastal California Gnatcatcher Surveys ......................................................... 10 3.4 Wildlife Surveys ............................................................................................... 11 3.5 Jurisdictional Wetlands and Waters ............................................................... 11 4.0 Existing Conditions....................................................................................... 12 4.1 Topography and Soils ....................................................................................... 12 4.2 Botany ............................................................................................................... 13 4.3 Zoology .............................................................................................................. 18 5.0 Sensitive Biological Resources ................................................................... 20 5.1 Regulatory Setting ........................................................................................... 20 5.2 Sensitivity Criteria ........................................................................................... 21 5.3 Sensitive Vegetation Communities .................................................................. 21 5.4 Sensitive Plants ................................................................................................ 21 5.5 Sensitive Wildlife Species ................................................................................ 22 5.6 Jurisdictional Waters/Wetlands ....................................................................... 27 5.7 Multi-Habitat Planning Area ........................................................................... 27 5.8 Wildlife Movement Corridors ........................................................................... 27 6.0 Impact Analysis .............................................................................................. 28 6.1 Direct Impacts .................................................................................................. 28 6.2 Indirect Impacts ............................................................................................... 34 6.3 Jurisdictional Waters/Wetland Impacts .......................................................... 36 6.4 MSCP Consistency Analysis ............................................................................ 36 7.0 Mitigation ........................................................................................................ 42 7.1 General Mitigation Measures During Construction ........................................ 43 7.2 Mitigation for Impacts to Vegetation/ Land Cover Types ............................... 45 7.3 Mitigation for Impacts to Wildlife Species ....................................................... 47 7.4 Land Use Adjacency Guidelines Mitigation Monitoring Measures ................ 48 8.0 References Cited ............................................................................................ 51 North University City Fire Station 50 Project i Biological Survey Report TABLE OF CONTENTS (cont.) FIGURES 1: Regional Location of the North University City Fire Station 50 Project ...................... 3 2: Project Site Location on USGS Map ............................................................................... 4 3: Project Location on City 800' Map .................................................................................. 5 4: Project Location on Aerial Photograph ........................................................................... 6 5: Project in Relation to Existing Preserve Areas .............................................................. 7 6: Soil Types ....................................................................................................................... 14 7: Existing Biological Resources ....................................................................................... 15 8: Impacts and Mitigation ................................................................................................. 30 TABLES 1: Survey Dates, Times, and Weather Conditions for Surveys at the North University City Fire Station 50 Project ..................................................................... 10 2: Vegetation Communities/Land Cover Types within the Survey Area ........................ 13 3: Impacts to Vegetation Communities/Land Cover Types ............................................. 28 4: Mitigation For Impacts to Vegetation Communities/Land Cover Types .................... 46 ATTACHMENTS 1: Plant Species Observed on the North University City Fire Station 50 Project Site 2: Wildlife Species Observed/Detected on the North University City Fire Station 50 Project Site 3: Sensitive Plant Species Observed or with Potential for Occurrence on the North University City Fire Station 50 Project Site 4: Sensitive Wildlife Species Occurring or with the Potential to Occur on the North University City Fire Station 50 Project Site 5: City of San Diego Biological Impacts & Monitoring MMRP Conditions North University City Fire Station 50 Project ii Biological Survey Report Acronyms ADD Assistant Deputy Director AMSL above mean sea level APN Assessor’s Parcel Number BCME Biological Construction Mitigation/Monitoring Exhibit BMPs Best Management Practices BMZ Brush Management Zone Cal-IPC California Invasive Plant Council CDFW California Department of Fish and Wildlife CEQA California Environmental Quality Act CFR Code of Federal Regulations City City of San Diego CNDDB California Natural Diversity Database CNPS California Native Plant Society CSVR Consultant Site Visit Record dB(A) A-weighted decibels ED Environmental Designee ESA Endangered Species Act ESL Environmentally Sensitive Lands GPS Global Positioning System I-805 Interstate 805 LDC Land Development Code MBTA Migratory Bird Treaty Act MHPA Multi-Habitat Planning Area MMC Mitigation Monitoring Coordination MSCP Multiple Species Conservation Program USACE U.S. Army Corps of Engineers USDA U.S. Department of Agricultures USFWS U.S. Fish and Wildlife Service USGS U.S. Geological Survey North University City Fire Station 50 Project iii Biological Survey Report 1.0 Summary The City of San Diego (City) proposes to construct and operate the North University City Fire Station 50 (proposed project). The project site is located within the University City community within the City, west of Interstate 805 (I-805), immediately south of Nobel Drive, and immediately east of Shoreline Drive. The development footprint of the project would comprise a total of 0.92 acre. The three-story, 12,000-square-foot fire station would accommodate 10 personnel and equipment in order to provide emergency response times that meet national standards within the North University City area. The proposed project would impact a total of 0.94 acre, including 0.79 acre within the Multi- Habitat Planning Area (MHPA) and 0.15 acre outside the MHPA. This impact footprint is larger than the development footprint because it includes small slivers of vegetation that occur between the grading footprint and existing developed areas. These isolated areas would no longer be viable and are considered impacted. Three sensitive vegetation communities would be impacted: valley needlegrass grassland, Diegan coastal sage scrub, and non-native grassland. These impacts would require 0.742 acre of mitigation within the MHPA, which would be achieved through (1) preservation of similar habitat within the MHPA, (2) restoration and preservation of habitat within the MHPA, and/or (3) contribution to the City’s Habitat Acquisition Fund. The total project impact represents less than 1 percent to the total lot acreage (92 acres), which is far below the 30 percent allowed per Section II.A.2 and II.B of the City’s Biology Guidelines (2012) for essential public facilities, such as the proposed fire station. Because total direct impacts are below this 30 percent threshold, an MHPA boundary line adjustment would not be required. Two sensitive plant species were detected within the survey area: ashy spike-moss (Selaginella cinerascens) and San Diego county viguiera (Bahiopsis
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